Classifications

• • C—CHEMISTRY; METALLURGY
  • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • C02F3/00—Biological treatment of water, waste water, or sewage
  • C02F3/02—Aerobic processes
  • C02F3/12—Activated sludge processes
  • C02F3/1278—Provisions for mixing or aeration of the mixed liquor
  • C02F3/1294—"Venturi" aeration means
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
  • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
  • B01F23/20—Mixing gases with liquids
  • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
  • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
  • B01F23/20—Mixing gases with liquids
  • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
  • B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
  • B01F23/23105—Arrangement or manipulation of the gas bubbling devices
  • B01F23/2312—Diffusers
  • B01F23/23121—Diffusers having injection means, e.g. nozzles with circumferential outlet
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
  • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
  • B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
  • B01F25/21—Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
  • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
  • B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
  • B01F25/25—Mixing by jets impinging against collision plates
• • C—CHEMISTRY; METALLURGY
  • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
  • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
  • C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
  • C12M29/06—Nozzles; Sprayers; Spargers; Diffusers
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
  • Y02W10/00—Technologies for wastewater treatment
  • Y02W10/10—Biological treatment of water, waste water, or sewage

Landscapes

• Chemical & Material Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Engineering & Computer Science (AREA)
• Organic Chemistry (AREA)
• Bioinformatics & Cheminformatics (AREA)
• Microbiology (AREA)
• Health & Medical Sciences (AREA)
• Wood Science & Technology (AREA)
• Zoology (AREA)
• General Engineering & Computer Science (AREA)
• Water Supply & Treatment (AREA)
• Sustainable Development (AREA)
• General Health & Medical Sciences (AREA)
• Genetics & Genomics (AREA)
• Biotechnology (AREA)
• Biodiversity & Conservation Biology (AREA)
• Hydrology & Water Resources (AREA)
• Environmental & Geological Engineering (AREA)
• Biochemistry (AREA)
• Biomedical Technology (AREA)
• Gas Separation By Absorption (AREA)
• Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
• Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
• Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
• Physical Or Chemical Processes And Apparatus (AREA)
• Vehicle Body Suspensions (AREA)

Applications Claiming Priority (1)

Publications (2)

Family

ID=6107387

Family Applications (1)

Country Status (10)

Cited By (1)

Families Citing this family (13)

Family Cites Families (15)

• 1980
  • 1980-07-17 DE DE19803027035 patent/DE3027035A1/de not_active Withdrawn
• 1981
  • 1981-07-13 EP EP81105458A patent/EP0044498B1/de not_active Expired
  • 1981-07-13 DE DE8181105458T patent/DE3166179D1/de not_active Expired
  • 1981-07-13 AT AT81105458T patent/ATE9446T1/de not_active IP Right Cessation
  • 1981-07-15 US US06/283,659 patent/US4381268A/en not_active Expired - Lifetime
  • 1981-07-16 BR BR8104561A patent/BR8104561A/pt not_active IP Right Cessation
  • 1981-07-16 DK DK317981A patent/DK157432C/da not_active IP Right Cessation
  • 1981-07-16 GR GR65530A patent/GR74286B/el unknown
  • 1981-07-16 ZA ZA814865A patent/ZA814865B/xx unknown
  • 1981-07-16 JP JP56110115A patent/JPS5753226A/ja active Granted
  • 1981-07-18 ES ES1981267756U patent/ES267756Y/es not_active Expired

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